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Synthesis of ammonia by the Haber-Bosch process /
Synthesis of ammonia by the Haber-Bosch process

Synthesis of ammonia by the Haber-Bosch process

VC5.1.1.2

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Description

The Haber-Bosch process is the most important process for the production of ammonia. It was developed by the chemist Fritz Haber and the engineer Carl Bosch and was already being used in industrial scale operations in 1913.

Ammonia is synthesised here from molecular nitrogen and hydrogen. A catalyst is required in order to speed up the rate of reaction.

Experiment C5.1.1.2 uses the catalyst developed by Mittasch (iron powder, aluminium oxide, calcium oxide and potassium nitrate) in order to produce small quantities of ammonia even at normal pressure. The ammonia can be assayed using the base reaction on indicator paper.

Components of equipment sets

1	6640772	Reaction tube, quartz, 160 x 20 mm Ø
1	666428 4	Panel frame C100, two-level, for CPS
2	6664660 4	Adhesive magnetic board CPS, 300 mm
2	6664659 4	Adhesive magnetic board CPS, 500 mm
2	667286 8	Silicone stopper, one 7-mm hole, 16...21 mm Ø
1	6664795	HydroStik PRO, CPS
2	6664665 4	Holder, magnetic, size 5, 30...32 mm
3	6664661	Holder, magnetic, size 1, 9...11 mm
1	6669882	Combustion boat, glazed
1	667194 8	Silicone tubing 7 mm Ø, 1 m
1	667197 4	Silicone tubing, 4 mm diam., 1 m
1	667198 4	Silicone tubing, 2 mm diam., 1 m
1	604510 4	Tubing connector, 4...15 mm
2	665914 4	Gas syringe, 100 ml with 3-way stopcock
1	666714 8	Cartridge burner, DIN type Warning H220
1	666731 4	Gas igniter, mechanical
1	602711 4	Three-way valve, ST, capillary tap, T-shape
1	667312 8	Glass connector, 2 x GL 18
1	30076 8	Laboratory stand II
1	6664798	HydroFill PRO
1	660980 4	Fine regulating valve for minican gas canisters
1	661000 4	Minican pressurised gas canister, nitrogen Warning H280
1	667034 4	Tweezers, blunt, 200 mm
1	6045662	Spatula, double ended, 210 mm
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
1	MA90201	Universal indicator paper, roll
1	602002 8	Test tube DURAN, 16 x 160 mm, set of 100
1	667032 4	Test tube holder, wooden, 40 mm diam.
1	608351 4	Mortar 75 ml, 76 mm x 45 mm
1	608361 4	Pestle, 115 mm long
1	664154 4	Watch glass dish 80 mm Ø
1	602032 4	Beaker, DURAN, 150 ml, tall
1	661243 4	Wash bottle PE 500 ml
1	661251 8	Flip-flap glass, 20 ml
1	6718300 4	Iron powder, reduced, 50 g
1	6702900 4	Aluminium oxide, 250 g
1	6713200 4	Calcium oxide, powder, 100 g Danger H318
1	6726800 4	Potassium nitrate, 100 g Warning H272

Experiment Instructions

YouTube-Video	The new chemistry presentation system CPSflex
PDF (Experiment description)	C5.1.1.2 Synthesis of ammonia by the Haber-Bosch process

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Synthesis of ammonia by the Haber-Bosch process

Description

Components of equipment sets

Experiment Instructions

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